Home / 3,802.19-5,246.97-2,123.63

Finding the Fourth Proportional to 3,802.19, 5,246.97 and 2,123.63

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Solution

The fourth proportional to 3,802.19, 5,246.97 and 2,123.63 is: 2,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.19 : 5,246.97 = 2,123.63 : x
  2. Step 2: Convert to fraction form
    3,802.19/5,246.97 = 2,123.63/x
  3. Step 3: Cross multiply
    3,802.19x = 5,246.97 × 2,123.63
  4. Step 4: Simplify right side
    3,802.19x = 11,142,596.67
  5. Step 5: Solve for x
    x = 11,142,596.67/3,802.19
  6. Step 6: Final answer
    x = 2,930.57

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.